US9011256B2 - Damper device - Google Patents

Damper device Download PDF

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Publication number
US9011256B2
US9011256B2 US13/996,837 US201213996837A US9011256B2 US 9011256 B2 US9011256 B2 US 9011256B2 US 201213996837 A US201213996837 A US 201213996837A US 9011256 B2 US9011256 B2 US 9011256B2
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Prior art keywords
damper device
output element
intermediate element
protruding portion
cutout
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US13/996,837
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US20130288808A1 (en
Inventor
Koji Maeda
Kazuyoshi Ito
Takashi Hori
Akihiro Nagae
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Aisin AW Co Ltd
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Aisin AW Co Ltd
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Assigned to AISIN AW CO., LTD. reassignment AISIN AW CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HORI, TAKASHI, ITO, KAZUYOSHI, MAEDA, KOJI, NAGAE, AKIHIRO
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F16F15/123—Wound springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0205—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type two chamber system, i.e. without a separated, closed chamber specially adapted for actuating a lock-up clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0294—Single disk type lock-up clutch, i.e. using a single disc engaged between friction members

Definitions

  • the present invention relates to a damper device that includes an input element, an intermediate element to which power is transferred from the input element through a first elastic body, and an output element to which power is transferred from the intermediate element through a second elastic body.
  • a damper device as this type of damper device which includes a plurality of outer coil spring sets, a plurality of inner coil spring sets, an intermediate member that supports the outer coil spring sets and the inner coil spring sets so that the outer coil spring sets and the inner coil spring sets are able to be deformed elastically in a rotation direction so as to operate in series, and an output plate (for example, see Japanese Patent Application Publication No. 2009-250288 (JP 2009-250288 A)).
  • JP 2009-250288 A Japanese Patent Application Publication No. 2009-250288
  • the intermediate member has a first support plate and a second support plate that are connected to each other, and first protruding portions formed in the second support plate and second protruding portions formed in the output plate abut on each other in the rotation direction, which restricts relative rotation of the intermediate member and the output plate.
  • the cylindrical portion is formed in the output plate in order to support (align) the intermediate member in the radial direction
  • the first protruding portions are formed in the second support plate and the second protruding portions are formed in the output plate in order to restrict relative rotation of the intermediate member and the output plate. Therefore, in the aforementioned conventional damper device, working man-hours are increased in manufacturing the damper device, and it is required to ensure working accuracy for each of the cylindrical portion and the first and second protruding portions, and thus a cost increase is unavoidable.
  • a main object of the present invention is that, in a damper device including an input element, an intermediate element to which power is transferred from the input element through a first elastic body, and an output element to which power is transferred from the intermediate element through a second elastic body, the intermediate element is able to be aligned easily and accurately, and rotation of the intermediate element relative to the output element is able to be restricted, while a cost increase is prevented.
  • a damper device includes an input element, an intermediate element to which power is transferred from the input element through a first elastic body, and an output element to which power is transferred from the intermediate element through a second elastic body.
  • one of the output element and the intermediate element has a protruding portion projecting in an axial direction
  • the other one of the output element and the intermediate element has a cutout portion corresponding to the protruding portion
  • the protruding portion has a restricting portion that is engaged with the cutout portion in a rotation direction so as to restrict rotation of the intermediate element relative to the output element, and a support portion that is engaged with the cutout portion so that the intermediate element is supported by the output element in a radial direction.
  • the damper device includes the input element, the intermediate element to which power is transferred from the input element through the first elastic body, and the output element to which power is transferred from the intermediate element through the second elastic body.
  • One of the output element and the intermediate element has the protruding portion projecting in the axial direction, and the other one of the output element and the intermediate element has the cutout portion corresponding to the protruding portion.
  • the protruding portion has the restricting portion which is engaged with the cutout portion in the rotation direction so as to restrict rotation of the intermediate element relative to the output element, and the support portion which is engaged with the cutout portion so that the intermediate element is supported by the output element in the radial direction.
  • one of the output element and the intermediate element is provided with the protruding portion, which includes the restricting portion that restricts rotation of the intermediate element relative to the output element and the support portion that allows the intermediate element to be supported by the output element in the radial direction, and the other one of the output element and the intermediate element is provided with the cutout portion corresponding to the protruding portion, it is possible to align the intermediate element easily and accurately and restrict rotation of the intermediate element relative to the output element, while preventing a cost increase by reducing working man-hours and simplifying configurations.
  • At least either one of the restricting portion and the support portion of the protruding portion may be in surface contact with the cutout portion.
  • the protruding portion may be formed by pressing. Thus, it is possible to form a plurality of the protruding portions in the output element or the intermediate element while ensuring good strength of the output element or the intermediate element.
  • the protruding portion may also be formed by cutting out and bending a part of the output element or the intermediate element. Thus, it is possible to easily form the plurality of protruding portions in the output element or the intermediate element.
  • the cutout portion may be a recessed portion having a circumferential-shaped bottom surface and inner side surfaces formed on both sides of the bottom surface in a circumferential direction, and a plurality of the cutout portions may be formed at intervals in an inner circumferential portion of the intermediate element.
  • the protruding portion may have side surfaces serving as the restricting portions which are able to abut on the inner side surfaces of the recessed portion, and an outer periphery serving as the support portion which is able to be in sliding contact with the bottom surface of the cutout portion, and the plurality of protruding portions may be arranged on a same circle on the output element.
  • the input element may be connected to an input member through a lock-up clutch, the input member being connected to a motor, and the output element may be connected to an input shaft of a transmission.
  • FIG. 1 is a partial sectional view showing a fluid transmission apparatus 1 having a damper device 10 according to an embodiment of the present invention
  • FIG. 2 is an enlarged view showing a main part of the damper device 10 ;
  • FIG. 3 is a perspective view of the damper device 10 ;
  • FIG. 4 is a schematic configuration view of a fluid transmission apparatus 1 B having a damper device 10 B according to a modified embodiment
  • FIG. 5 is an enlarged view showing a main part of the damper device 10 B according to the modified embodiment
  • FIG. 6 is an enlarged view of a main part of a damper device 10 C according to another modified embodiment.
  • FIG. 7 is an enlarged sectional view of a main part of a damper device 10 D according to yet another modified embodiment.
  • FIG. 1 is a configuration view showing a fluid transmission apparatus 1 having a damper device 10 according to an embodiment of the present invention.
  • the fluid transmission apparatus 1 shown in the drawing is a torque converter installed as a starting device in a vehicle having an engine (an internal combustion) as a motor, and includes a front cover (an input member) 3 connected to a crankshaft (not-shown) of the engine, a pump impeller (an input-side fluid transmission element) 4 fixed to the front cover 3 , a turbine runner (an output-side fluid transmission element) 5 which is able to rotate coaxially with the pump impeller 4 , a stator 6 that adjusts a flow of a hydraulic oil (a hydraulic fluid) from the turbine runner 5 to the pump impeller 4 , a turbine hub (an output member) 7 fixed to an input shaft of a transmission (not-shown) that is either an automatic transmission (AT) or a continuously variable transmission (CVT), a single plate friction lock-up clutch mechanism 8 , and the damper device 10 which has
  • the pump impeller 4 has a pump shell 40 closely fixed to the front cover 3 , and a plurality of pump blades 41 arranged on an inner surface of the pump shell 40 .
  • the turbine runner 5 has a turbine shell 50 , and a plurality of turbine blades 51 arranged on an inner surface of the turbine shell 50 .
  • the turbine shell 50 is fitted to the turbine hub 7 and fixed to the turbine hub 7 via a rivet.
  • the stator 6 has a plurality of stator blades 60 , and a rotation direction of the stator 6 is set to one direction only by a one-way clutch 61 .
  • the pump impeller 4 and the turbine runner 5 face each other, and the pump impeller 4 , the turbine runner 5 , and the stator 6 form a torus (an annular flow path) in which the hydraulic oil circulates.
  • the lock-up clutch mechanism 8 is able to perform lock-up, by which the front cover 3 is connected with the turbine hub 7 through the damper device 10 , and is able to release the lock-up.
  • a lock-up piston 80 of the lock-up clutch mechanism 8 is arranged inward of the front cover 3 and adjacent to an inner wall surface of the front cover 3 on an engine side (a left side in the drawing), and is fitted to the turbine hub 7 so as to be slidable in an axial direction and rotatable.
  • a friction material 81 is attached to a surface of the lock-up piston 80 on an outer circumferential side and on a front cover 3 side.
  • a lock-up chamber 85 which is connected to a hydraulic control unit (not shown) through a hydraulic oil supply hole (not shown) and an oil passage formed in the input shaft, is defined between a rear surface (a left-side surface in the drawing) of the lock-up piston 80 and the front cover 3 .
  • the damper device 10 includes a driving member 11 serving as an input element, an intermediate member 12 engaged with the driving member 11 through the plurality of first springs (first elastic bodies) SP 1 , and a driven member (an output element) 15 engaged with the intermediate member 12 through the plurality of second springs (second elastic bodies) SP 2 .
  • the driving member 11 includes spring abutment portions 11 a , each of which abuts on one end of the corresponding first spring SP 1 , and spring support portions 11 b .
  • the driving member 11 is fixed to the lock-up piston 80 of the lock-up clutch mechanism 8 through a rivet, and arranged in an outer circumferential-side region within a fluid transmission chamber 9 that is defined by the front cover 3 and the pump shell 40 of the pump impeller 4 .
  • the intermediate member 12 is made up of an annular first plate 13 , and an annular second plate 14 fixed to the first plate 13 through a rivet.
  • the first plate 13 of the intermediate member 12 has spring abutment portions 13 a on an outer circumferential side, each of which abuts on the other end of the corresponding first spring SP 1 , and spring support portions on an inner circumferential side for supporting the second springs SP 2 .
  • the second plate 14 of the intermediate member 12 has spring support portions that face the spring support portions of the first plate 13 and support the second springs SP 2 , respectively.
  • spring abutment portions (not shown), each of which abuts on one end of the corresponding second spring SP 2 , are formed in the first and second plates 13 and 14 . As shown in FIG.
  • recessed portions 141 serving as cutout portions are formed at equal intervals (at every 60° in the embodiment) in an inner circumferential portion of the second plate 14 that constructs the intermediate member 12 .
  • Each of the recessed portions 141 has a circumferential-shaped bottom surface 141 a , and flat inner side surfaces 141 b formed on both sides of the bottom surface 141 a in a circumferential direction.
  • the driven member 15 is an annular member arranged between the first plate 13 and the second plate 14 of the intermediate member 12 , fixed to the turbine hub 7 through a rivet, and thus connected to the input shaft of the transmission.
  • the driven member 15 has spring abutment portions 15 a , each of which abuts on the other end of the corresponding second spring SP 2 .
  • the driven member 15 has protruding portions 151 which are engaged with the recessed portions 141 of the second plate 14 included the intermediate member 12 and thus able to restrict rotation of the intermediate member 12 relative to the driven member 15 and support the intermediate member 12 in a radial direction.
  • Each of the protruding portions 151 is formed so as to projects in the axial direction towards the second plate 14 of the intermediate member 12 (to the left side in FIG. 1 ), and arranged on the same circle defined in the inner circumferential portion of the driven member 15 .
  • Each of the protruding portions 151 includes an outer periphery 151 a serving as a circumferential-shaped support portion which is able to be in sliding contact (surface contact) with the bottom surface 141 a of the recessed portion 141 of the intermediate member 12 (the second plate 14 ), and flat side surfaces 151 b serving as restricting portions which are formed on both sides of the outer periphery 151 a and are able to abut on (be in surface contact with) the inner side surfaces 141 b of the recessed portion 141 .
  • a circumferential length of each of the protruding portions 151 is smaller than a circumferential length of the recessed portion 141 of the intermediate member 12 (the second plate 14 ).
  • the intermediate member 12 is arranged about the axis of the fluid transmission apparatus 1 while being supported or aligned radially by the outer periphery 151 a of each of the protruding portions 151 , and is able to rotate relative to the driven member 15 within a range corresponding to a difference in circumferential length between the recessed portion 141 and the protruding portion 151 .
  • the protruding portions 151 are formed by pressing so that no cut lines are formed around each of the protruding portions 151 . This makes it possible to form the protruding portions 151 easily in the driven member 15 while ensuring good strength of the driven member 15 . While it is possible to form the protruding portions 151 by above-mentioned pressing so that all the outer peripheries 151 a are included inside of the same circle about an axial core of the driven member 15 , the outer peripheries 151 a may also be ground where necessary.
  • the damper device 10 included in the fluid transmission apparatus 1 of the embodiment includes the driving member 11 serving as the input element, the intermediate member 12 to which torque is transferred from the driving member 11 through the first springs SP 1 , and the driven member 15 serving as the output element to which torque is transferred from the intermediate member 12 through the second springs SP 2 .
  • the driven member 15 has the protruding portions 151 that project in the axial direction
  • the second plate 14 of the intermediate member 12 has the recessed portions 141 as cutout portions, each of which corresponds to one of the protruding portions 151 .
  • the protruding portion 151 has the outer periphery 151 a serving as the support portion which is engaged (in sliding contact) with the corresponding recessed portion 141 so that the intermediate member 12 is supported radially by the driven member 15 , and side surfaces 151 b each serving as the restricting portion that is engaged with (abut on) the corresponding recessed portion 141 in the rotation direction and restrict rotation of the intermediate member 12 relative to the driven member 15 .
  • the driven member 15 is provided with the protruding portions 151 , each of which includes the outer periphery 151 a that allows the intermediate member 12 to be supported radially by the driven member 15 and the side surfaces 151 b that restrict rotation of the intermediate member 12 relative to the driven member 15
  • the intermediate member 12 is provided with the recessed portions 141 each of which corresponds to one of the protruding portions 151 , it is possible to align the intermediate member 12 easily and accurately and to restrict rotation of the intermediate member 12 relative to the driven member 15 , while preventing a cost increase by reducing working man-hours and simplifying configurations.
  • openings may be formed in the second plate 14 .
  • the outer periphery 151 a of the protruding portion 151 is in surface contact with the bottom surface 141 a of the recessed portion 141
  • the side surfaces 151 b of the protruding portion 151 are in surface contact with the inner side surfaces 141 b of the recessed portion 141 . Because of this, a burden on each of the protruding portions 151 engaged with the corresponding recessed portion 141 that serves as the cutout portion is reduced, thereby durability can be improved.
  • the recessed portions 141 are formed at intervals in the inner circumferential portion of the second plate 14 that constructs the intermediate member 12 .
  • Each of the recessed portions 141 includes the circumferential-shaped bottom surface 141 a and the inner side surfaces 141 b formed on both sides of the bottom surface 141 a in the circumferential direction.
  • the protruding portions 151 are provided on the same circle on the driven member 15 .
  • Each of the protruding portions 151 includes the outer periphery 151 a that is able to be in sliding contact with the bottom surface 141 a of the recessed portion 141 of the intermediate member 12 , and the side surfaces 151 b that are able to abut on the inner side surfaces 141 b of the recessed portion 141 .
  • by pressing the protruding portions 151 in the driven member 15 it is possible to easily form the protruding portions 151 in the driven member 15 while ensuring good strength of the driven member 15 .
  • FIG. 4 is a schematic configuration view of a fluid transmission apparatus 1 B provided with a damper device 10 B according to a modified embodiment
  • FIG. 5 is an enlarged view showing a main part of the damper device 10 B according to the modified embodiment.
  • the same elements as those explained in relation to the foregoing damper device 10 will be indicated by the same reference numerals, and duplicated explanation will be omitted.
  • each protruding portion 151 B is formed by cutting out and bending part of a driven member 15 B. Thus, it is possible to easily form the protruding portions 151 B in the driven member 15 B.
  • FIG. 6 is an enlarged view of a main part of a damper device 10 C according to another modified embodiment.
  • an outer periphery 151 a of a protruding portion 151 C is formed into a circumferential shape with a smaller curvature than that of a bottom surface 141 a of a recessed portion 141 so that the outer periphery 151 a comes into line contact with the bottom surface 141 a .
  • Side surfaces 151 b on both sides of the protruding portion 151 C are formed into a circumferential shape so as to be in line contact with respective inner side surfaces 141 b of the recessed portion 141 .
  • the outer periphery 151 a serving as a support portion, and the side surfaces 151 b serving as restricting portions may be formed so as to be in line contact with the recessed portion 141 serving as a cutout portion. It is, however, a matter of course that either one of the outer periphery 151 a serving as the support portion and the side surfaces 151 b serving as the restricting portions may be formed so as to be in surface contact with the recessed portion 141 that serves as the cutout portion, and the other may be formed so as to be in line contact with the recessed portion 141 .
  • This type of protruding portion 151 C may be formed by cutting out and bending, or pressing a part of the driven member 15 as shown in FIG. 6 .
  • FIG. 7 is an enlarged view of a main part of a damper device 10 D according to yet another modified embodiment.
  • protruding portions 149 are formed at equal intervals in an inner circumferential portion of a second plate 14 D that constructs an intermediate member 12 D so that the protruding portions 149 project in an axial direction towards a driven member 15 D.
  • approximately arc-shaped openings 159 are formed at equal intervals as cutout portions, each of which corresponds to one of the protruding portions 149 .
  • each of the protruding portions 149 is formed so as to be in surface contact or line contact with a circumferential surface 159 a that defines the opening 159 and is on the outer circumferential side of the opening 159
  • each side surface 149 b in each of the protruding portions 149 is formed so as to be in surface contact or line contact with a corresponding one of inner surfaces 159 b that define the opening 159 and are on both sides of the opening 159 in the circumferential direction.
  • the protruding portion 149 of the second plate 14 D includes the circumferential surface 159 a serving as a support portion that is engaged with the corresponding opening 159 so as to allow the intermediate member 12 D to be radially supported by the driven member 15 D, and side surfaces 149 b serving as restricting portions that are each engaged with the corresponding opening 159 in a rotation direction and restrict rotation of the intermediate member 12 relative to the driven member 15 D.
  • the intermediate member 12 D may be provided with the protruding portions 149 that project in the axial direction
  • the driven member 15 D may be provided with the openings (cutout portions) 159 each of which corresponds to one of the protruding portions 149 .
  • recessed portions may be formed in an inner circumferential portion of the driven member 15 D.
  • Each of the recessed portions has, for example, a circumferential-shaped bottom surface, and inner side surfaces formed on both sides of the bottom surface in the circumferential direction.
  • the damper devices 10 , 10 B, 10 C, and 10 D may be configured as a so-called parallel type damper device.
  • the foregoing damper devices 10 , 10 B, 10 C, and 10 D may have a plurality of intermediate members, and, in such a case, the above-mentioned configuration may be applied to the intermediate member arranged in the most inner circumferential side among the plurality of intermediate members.
  • the foregoing damper devices 10 , 10 B, 10 C, and 10 D may also be applied to a fluid coupling that does not include a stator that adjusts a flow of hydraulic oil into a pump impeller from a turbine runner.
  • the lock-up clutch mechanism 8 may be configured as a so-called multi plate friction clutch.
  • the damper device 10 , 10 B, 10 C, or 10 D which includes the driving member 11 serving as the input element, the intermediate member 12 or 12 D to which torque is transferred from the driving member 11 through the first springs SP 1 , and the driven member 15 , 15 B, 15 C or 15 D serving as the output element to which torque is transferred from the intermediate member 12 or the like through the second springs SP 2 , is equivalent to the “damper device”, the protruding portions 149 , 151 , 151 B, or 151 C are equivalent to the “protruding portions”, and the recessed portions 141 or the openings 159 are equivalent to the “cutout portions”.
  • the present invention is applicable to manufacturing fields of a damper device, a fluid transmission apparatus, and so on.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Operated Clutches (AREA)
US13/996,837 2011-03-30 2012-03-30 Damper device Active US9011256B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011076142 2011-03-30
JP2011-076142 2011-03-30
PCT/JP2012/058671 WO2012133816A1 (ja) 2011-03-30 2012-03-30 ダンパ装置

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US20130288808A1 US20130288808A1 (en) 2013-10-31
US9011256B2 true US9011256B2 (en) 2015-04-21

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US (1) US9011256B2 (ja)
JP (1) JP5494887B2 (ja)
CN (1) CN103299106B (ja)
DE (1) DE112012000413B4 (ja)
WO (1) WO2012133816A1 (ja)

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JP5684846B2 (ja) 2013-03-21 2015-03-18 株式会社エクセディ トルクコンバータのロックアップ装置
JP6247524B2 (ja) * 2013-12-24 2017-12-13 株式会社エクセディ トルクコンバータのロックアップ装置
JP6156198B2 (ja) * 2014-02-28 2017-07-05 アイシン・エィ・ダブリュ株式会社 ダンパ装置
CN105980736B (zh) * 2014-02-28 2018-02-16 爱信艾达株式会社 减震装置
US20170159746A1 (en) * 2014-08-05 2017-06-08 Aisin Aw Co., Ltd. Damper device
DE102014217971A1 (de) * 2014-09-09 2016-03-10 Voith Patent Gmbh Drehschwingungsdämpfer
CN106687710B (zh) * 2014-09-12 2019-07-05 爱信艾达株式会社 减振装置
US10753425B2 (en) * 2017-11-02 2020-08-25 Schaeffler Technologies AG & Co. KG Internal rotor damper modular hybrid transmission
JP7173701B2 (ja) * 2019-02-14 2022-11-16 トヨタ自動車株式会社 捩り振動低減装置

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US6244401B1 (en) 1998-05-06 2001-06-12 Luk Getriebe-Systeme Gmbh Force transmitting apparatus
JP2002310262A (ja) 2001-04-13 2002-10-23 Exedy Corp 流体式トルク伝達装置のロックアップ装置
JP2006070982A (ja) 2004-09-01 2006-03-16 Toyota Motor Corp ダンパ装置
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CN103299106A (zh) 2013-09-11
CN103299106B (zh) 2016-06-15
JP5494887B2 (ja) 2014-05-21
DE112012000413B4 (de) 2020-03-26
WO2012133816A1 (ja) 2012-10-04
JPWO2012133816A1 (ja) 2014-07-28
US20130288808A1 (en) 2013-10-31

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